<!--
 * @Author: your name
 * @Date: 2021-10-12 12:34:09
 * @LastEditTime: 2021-10-13 00:40:45
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \vue_test3\src\components\Login.vue
-->
<template>
  <div class="login_container">
      <div class="login_box">
          <!-- 头像区域 -->
          <div class="avatar_box">
              <img src="../assets/logo.png" alt="">
          </div>
          <!-- 登录表单区域 -->
          <el-form ref="loginFormRef" :model="loginForm"  label-width="0px" class="login_from" :rules="loginFormRules">
              <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
                </el-form-item>
                <!-- 按钮区域 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
          </el-form>
      </div>
      
  </div>
</template>

<script>
export default {
    name:'Login',
    data() {
      return {
        //登录表单的数据绑定对象
        loginForm:{
          username:'admin',
          password:'123456'
        },
        //表单的验证规则
        loginFormRules:{
          //定义用户名是否合法
          username:[
            { required: true, message: '请输入登录名称', trigger: 'blur' },
            { min: 3, max: 15, message: '长度在 3 到 15个字符 ', trigger: 'blur' }
            ],
          //定义密码是否合法
          password:[
            { required: true, message: '请输入登录密码', trigger: 'blur' },
            { min: 3, max: 20, message: '密码长度不小于3位', trigger: 'blur' }
          ]
        }
      }
    },
    methods:{
      resetLoginForm(){
        // console.log(this)
        this.$refs.loginFormRef.resetFields()
      },
      login(){
        this.$refs.loginFormRef.validate(async vaild=>{
          // console.log(vaild)
          if (!vaild) return;
         const {data:res} = await  this.$http.post('login',this.loginForm);
        //  console.log(res)
          if (res.meta.status !== 200) {
            return this.$message.error('登录失败');
           
          } else {
            //  console.log(res)

            this.$message.success('登录成功');
            //登录成功之后保存token,保存到客户端的sessionStriage
            window.sessionStorage.setItem("token",res.data.token)
            //通过编程式导航跳转到后台主页
            this.$router.push("/home")
          }
          // if (res.meta.status !==200) return console.log('登录失败');
          // console.log('登录成功')

        })
      }
    }
}
</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}

.login_box{
    width:450px;
    height: 300px;
    background-color: #fff;
    border-radius: 5px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);


    .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }


}

.login_from {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>